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This study aims to test the safety and efficacy of six new malaria vaccines - AdCh63 AMA1, MVA AMA1, AdCh63 MSP1, MVA MSP1, AdCh63 ME-TRAP & MVA ME-TRAP. These vaccines consist of inactivated viruses which have been modified − so they cannot reproduce (replicate) in humans, and also to include genetic material (genes) for malaria proteins which are expressed by the malaria parasite during both liver and blood stage infection. The vaccines are designed to stimulate an immune response to these malaria proteins (immunogenicity describes the nature and magnitude of this immune response) and thus provide protection against malaria infection. The protective efficacy of vaccines will be evaluated by challenging a small number of volunteers who have received the vaccines with malaria infection from the bites of infected mosquitos(sporozoite challenge).
Allocation: Non-Randomized, Control: Active Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention
AdCh63 MSP1, MVA MSP1, challenge, AdCh63 AMA1, MVA AMA1, challenge, AdCh63 AMA1, AdCh63 MSP1, MVA AMA1, MVA MSP1, challenge, AdCh63 MSP1, AdCh63 ME-TRAP, MVA MSP1, MVA ME-TRAP, challenge, Sporozoite challenge
Hospital for Tropical Diseases Mortimer Market
Not yet recruiting
University of Oxford
Published on BioPortfolio: 2014-08-27T03:12:56-0400
This is an open label phase I study, to assess the safety of a novel malaria vaccine, AdCh63 AMA1, simian adenovirus encoding Plasmodium falciparum blood stage antigen, Apical Membrane Ant...
This study aims to test the safety of two new malaria vaccines AdCh63 MSP1 and MVA MSP1. These vaccines consist of inactivated viruses which have been modified − so they cannot reproduce...
This is an open label phase I study, to assess the safety of a novel malaria vaccine, AdCh63 ME-TRAP, simian adenovirus encoding Plasmodium falciparum antigens. This follows promising phas...
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The organization, management, and assumption of risks of a business or enterprise, usually implying an element of change or challenge and a new opportunity.
Undertaking a task involving a challenge for achievement or a desirable goal in which there is a lack of certainty or a fear of failure. It may also include the exhibiting of certain behaviors whose outcomes may present a risk to the individual or to those associated with him or her.
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